202201221020222 has 4 divisors (see below), whose sum is σ = 303301831530336. Its totient is φ = 101100610510110.

The previous prime is 202201221020153. The next prime is 202201221020291. The reversal of 202201221020222 is 222020122102202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (202201221020153) and next prime (202201221020291).

It is a junction number, because it is equal to n+sod(n) for n = 202201221020194 and 202201221020203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550305255054 + ... + 50550305255057.

It is an arithmetic number, because the mean of its divisors is an integer number (75825457882584).

Almost surely, 2^{202201221020222} is an apocalyptic number.

202201221020222 is a deficient number, since it is larger than the sum of its proper divisors (101100610510114).

202201221020222 is a wasteful number, since it uses less digits than its factorization.

202201221020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101100610510113.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202201221020222 its reverse (222020122102202), we get a palindrome (424221343122424).

The spelling of 202201221020222 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, twenty thousand, two hundred twenty-two".